[INFO] cloning repository https://github.com/neilgall/lets-build-a-rusty-interpreter
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/neilgall/lets-build-a-rusty-interpreter" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fneilgall%2Flets-build-a-rusty-interpreter", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fneilgall%2Flets-build-a-rusty-interpreter'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9680f7114724d16f61320b05fb851f947fa0f5bd
[INFO] testing neilgall/lets-build-a-rusty-interpreter against try#03a1ea71b075ab964b5278bc6e74cd6c52c36ee0 for pr-74409
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fneilgall%2Flets-build-a-rusty-interpreter" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/neilgall/lets-build-a-rusty-interpreter on toolchain 03a1ea71b075ab964b5278bc6e74cd6c52c36ee0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/neilgall/lets-build-a-rusty-interpreter
[INFO] finished tweaking git repo https://github.com/neilgall/lets-build-a-rusty-interpreter
[INFO] tweaked toml for git repo https://github.com/neilgall/lets-build-a-rusty-interpreter written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/neilgall/lets-build-a-rusty-interpreter already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a5ee337354871b325480503e7940db41c3b92d98f791c4c2a9facef6acf3b37c
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "a5ee337354871b325480503e7940db41c3b92d98f791c4c2a9facef6acf3b37c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a5ee337354871b325480503e7940db41c3b92d98f791c4c2a9facef6acf3b37c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a5ee337354871b325480503e7940db41c3b92d98f791c4c2a9facef6acf3b37c", kill_on_drop: false }`
[INFO] [stdout] a5ee337354871b325480503e7940db41c3b92d98f791c4c2a9facef6acf3b37c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fcc03ad107cc12aa293db40f32db632cf99a5d311fb419924c53ce59e78c7256
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "fcc03ad107cc12aa293db40f32db632cf99a5d311fb419924c53ce59e78c7256", kill_on_drop: false }`
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling calculator v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant is never constructed: `Integer`
[INFO] [stdout]  --> src/number.rs:4:2
[INFO] [stdout]   |
[INFO] [stdout] 4 |     Integer { value: i32 },
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Real`
[INFO] [stdout]  --> src/number.rs:5:2
[INFO] [stdout]   |
[INFO] [stdout] 5 |     Real { value: String }
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.88s
[INFO] running `Command { std: "docker" "inspect" "fcc03ad107cc12aa293db40f32db632cf99a5d311fb419924c53ce59e78c7256", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fcc03ad107cc12aa293db40f32db632cf99a5d311fb419924c53ce59e78c7256", kill_on_drop: false }`
[INFO] [stdout] fcc03ad107cc12aa293db40f32db632cf99a5d311fb419924c53ce59e78c7256
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a0fe4c818fd3ea3d695fa4fd3fdb642afa177c3d46e772b6e322978a53d2fb11
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "a0fe4c818fd3ea3d695fa4fd3fdb642afa177c3d46e772b6e322978a53d2fb11", kill_on_drop: false }`
[INFO] [stderr]    Compiling calculator v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant is never constructed: `Integer`
[INFO] [stdout]  --> src/number.rs:4:2
[INFO] [stdout]   |
[INFO] [stdout] 4 |     Integer { value: i32 },
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Real`
[INFO] [stdout]  --> src/number.rs:5:2
[INFO] [stdout]   |
[INFO] [stdout] 5 |     Real { value: String }
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.53s
[INFO] running `Command { std: "docker" "inspect" "a0fe4c818fd3ea3d695fa4fd3fdb642afa177c3d46e772b6e322978a53d2fb11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a0fe4c818fd3ea3d695fa4fd3fdb642afa177c3d46e772b6e322978a53d2fb11", kill_on_drop: false }`
[INFO] [stdout] a0fe4c818fd3ea3d695fa4fd3fdb642afa177c3d46e772b6e322978a53d2fb11
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b54e6799933d4ecef63ba5ce4e28ac57b65d79a6211177f410c9ffc200949cec
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "b54e6799933d4ecef63ba5ce4e28ac57b65d79a6211177f410c9ffc200949cec", kill_on_drop: false }`
[INFO] [stderr] warning: variant is never constructed: `Integer`
[INFO] [stderr]  --> src/number.rs:4:2
[INFO] [stderr]   |
[INFO] [stderr] 4 |     Integer { value: i32 },
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Real`
[INFO] [stderr]  --> src/number.rs:5:2
[INFO] [stderr]   |
[INFO] [stderr] 5 |     Real { value: String }
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/calculator-ece8aa05386f9e48
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test lexer::tests::colon ... ok
[INFO] [stdout] test lexer::tests::integer ... ok
[INFO] [stdout] test lexer::tests::identifier ... ok
[INFO] [stdout] test lexer::tests::keywords ... ok
[INFO] [stdout] test parser::tests::test_sample_program ... ok
[INFO] [stdout] test lexer::tests::alphanumeric_identifier ... ok
[INFO] [stdout] test lexer::tests::real ... ok
[INFO] [stdout] test lexer::tests::assign ... ok
[INFO] [stdout] test lexer::tests::dot ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b54e6799933d4ecef63ba5ce4e28ac57b65d79a6211177f410c9ffc200949cec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b54e6799933d4ecef63ba5ce4e28ac57b65d79a6211177f410c9ffc200949cec", kill_on_drop: false }`
[INFO] [stdout] b54e6799933d4ecef63ba5ce4e28ac57b65d79a6211177f410c9ffc200949cec